Sys.ParameterCountException on extend of simple textbox control using microsoft js

Question

Here s my code trying to extend a textbox with microsoft ajax libary

On Page code is as follows :

Code in the .js file

The error on debug is as follows

what wrong am i doing in my code ?

Answer 1

The Error was in the constructor of the class which needed the element to be passed in the initializeBase method . Please see below .